# NTSB investigations: Piper PA-18-150, 1990

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB ANC91LA011](https://openairdocs.org/ntsb/ANC91LA011.md): Piper PA-18-150 · Thorne Bay, AK · Accident · Minor injuries · Limited investigation · Final report · Nov 7, 1990 · N9786P · Substantial damage
  > The pilot's delay in aborting the takeoff.
- [NTSB DEN91LA008](https://openairdocs.org/ntsb/DEN91LA008.md): Piper PA-18-150 · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Oct 16, 1990 · N5523Z · Substantial damage
  > The failure of the pilot to maintain directional control.
- [NTSB ANC90LA185](https://openairdocs.org/ntsb/ANC90LA185.md): Piper PA-18 · Kotes Lakes, AK · Accident · No injuries · Limited investigation · Final report · Sep 27, 1990 · N3897Z · Substantial damage
  > The pilot-in-command's encounter with turbulence while on final approach, and failure to maintain aircraft control.
- [NTSB ANC90LA183](https://openairdocs.org/ntsb/ANC90LA183.md): Piper PA-18-150 · Coal Creek, AK · Accident · No injuries · Limited investigation · Final report · Sep 23, 1990 · N7580Y · Substantial damage
  > The pilot's failure to adequately remove snow from the airplane and his delay in aborting the takeoff.
- [NTSB ANC90LA176](https://openairdocs.org/ntsb/ANC90LA176.md): Piper PA-18-160 · Port Heiden, AK · Accident · No injuries · Limited investigation · Final report · Sep 16, 1990 · N59645 · Substantial damage
  > The pilot-in-command's failure to maintain aircraft control during a strong crosswind.
- [NTSB ANC90LA153](https://openairdocs.org/ntsb/ANC90LA153.md): Piper PA-18 · King Salmon, AK · Accident · No injuries · Limited investigation · Final report · Aug 27, 1990 · N72BW · Substantial damage
  > The pilot-in-command's failure to maintain directional control of the airplane on landing.
- [NTSB ANC90T#A02](https://openairdocs.org/ntsb/ANC90T%23A02.md): Piper PA-18-150 · Kotzebue, AK · Accident · No injuries · Class 3 · Final report · Aug 1, 1990 · N2497B · Substantial damage
- [NTSB ANC90LA123](https://openairdocs.org/ntsb/ANC90LA123.md): Piper PA-18-150 · Big River, AK · Accident · No injuries · Limited investigation · Final report · Jul 25, 1990 · N75PC · Substantial damage
  > The improper use of brakes by the pilot during the landing roll.
- [NTSB SEA90LA144](https://openairdocs.org/ntsb/SEA90LA144.md): Piper PA-18-150 · Jordan, MT · Accident · Serious injuries · Limited investigation · Final report · Jul 24, 1990 · N4184Z · Substantial damage
  > Pilot's failure to switch fuel tanks and the unsuitable terrain available for a forced landing.
- [NTSB SEA90LA142](https://openairdocs.org/ntsb/SEA90LA142.md): Piper PA-18-150 · Dupuyer, MT · Accident · Minor injuries · Limited investigation · Final report · Jul 21, 1990 · N4153Z · Substantial damage
  > Pilot's misjudged touchdown and delay in initiating the balked landing.
- [NTSB ANC90LA115](https://openairdocs.org/ntsb/ANC90LA115.md): Piper PA-18-150 · Canning River, AK · Accident · No injuries · Limited investigation · Final report · Jul 9, 1990 · N8519Y · Substantial damage
  > The engine power loss due to fuel contamination, and the lack of suitable terrain on which to land.
- [NTSB ANC90LA114](https://openairdocs.org/ntsb/ANC90LA114.md): Piper PA-18-150 · Dillingham, AK · Accident · No injuries · Limited investigation · Final report · Jul 8, 1990 · N91248 · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.
- [NTSB ANC90LA109](https://openairdocs.org/ntsb/ANC90LA109.md): Piper PA-18 · Gakona, AK · Accident · Serious injuries · Limited investigation · Final report · Jul 3, 1990 · N4878A · Substantial damage
  > The pilot inadvertently stalled the airplane.
- [NTSB ANC90LA093](https://openairdocs.org/ntsb/ANC90LA093.md): Piper PA-18-160 · Big Lake, AK · Accident · No injuries · Limited investigation · Final report · Jun 22, 1990 · N4431Z · Substantial damage
  > Loss of engine power for undetermined reasons resulting in an off airport landing in a ditch.
- [NTSB DEN90LA123](https://openairdocs.org/ntsb/DEN90LA123.md): Piper PA-18-150 · Douglas, WY · Accident · No injuries · Limited investigation · Final report · Jun 4, 1990 · N4720A · Substantial damage
  > The accident to be improper installation of aileron control system by maintenance personnel, and failure to perform an aircraft preflight by the pilot in command.
- [NTSB ANC90FA075](https://openairdocs.org/ntsb/ANC90FA075.md): Piper PA-18-150 · Wasilla, AK · Accident · 2 fatal · Field investigation · Final report · May 26, 1990 · N9288D · Substantial damage
  > Pilot's failure to maintain control of the airplane. Contributing to the accident was the pilot's lack of total experience.
- [NTSB LAX90LA195](https://openairdocs.org/ntsb/LAX90LA195.md): Piper PA-18 · Fullerton, CA · Accident · Serious injuries · Limited investigation · Final report · May 25, 1990 · N8474D · Substantial damage
  > Fuel starvation due to the pilot's improper fuel management technique. A factor was the improperly modified fuel selector valve.
- [NTSB ANC90LA071](https://openairdocs.org/ntsb/ANC90LA071.md): Piper PA-18 · Big Mountain, AK · Accident · No injuries · Limited investigation · Final report · May 18, 1990 · N407WB · Substantial damage
  > Pilot-in-command failed to compensate for gusty wind conditions and control of the aircraft during the take off roll.
- [NTSB DEN90LA108](https://openairdocs.org/ntsb/DEN90LA108.md): Piper PA-18-150 · Powderville, MT · Accident · No injuries · Limited investigation · Final report · May 10, 1990 · N62672 · Substantial damage
  > Pilot failed to maintain terrain clearance during descent on an aerial application swath run, resulting in an in flight collision with the terrain. That the pilot misjudged the pull up altitude is considered a contributing factor.
- [NTSB ANC90LA066](https://openairdocs.org/ntsb/ANC90LA066.md): Piper PA-18 · Glennallen, AK · Accident · Serious injuries · Limited investigation · Final report · May 5, 1990 · N91117 · Substantial damage
  > The pilot failed to maintain proper altitude and terrain clearance while maneuvering.
- [NTSB ANC90FA051](https://openairdocs.org/ntsb/ANC90FA051.md): Piper PA-18 · Chugiak, AK · Accident · No injuries · Field investigation · Final report · Apr 8, 1990 · N64RS · Substantial damage
  > The pilot lost directional control during the landing roll as a result of improper braking.
- [NTSB SEA90LA058](https://openairdocs.org/ntsb/SEA90LA058.md): Piper PA18-150 · Redmond, OR · Accident · No injuries · Limited investigation · Final report · Mar 28, 1990 · N83681 · Substantial damage
  > Pilot did maintain directional control of the airplane during the takeoff ground run. The pilot was unable to adequately correct the situation before the airplane exited the runway and ground looped resulting in the collapse of the main landing gear.
- [NTSB LAX90LA115](https://openairdocs.org/ntsb/LAX90LA115.md): Piper PA-18 · Sonoma Valley, CA · Accident · No injuries · Limited investigation · Final report · Mar 13, 1990 · N3765Z · Substantial damage
  > The pilots inability to maintain aircraft control during a critical phase of flight after experienceing a shift in wind.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE year(c."eventDate") = 1990
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7101828', '7104221', '7102835'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7101828&year=1990

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.